Genetics Practice Test

15 Questions  I  By Kcassidy
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 Genetics Practice Test
A brief quiz over Georgia Performance Standard SB2: GeneticsCreated by K. P. CassidyMadison County High SchoolDanielsville, Ga

  
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  • 1. 
    What type of cell does mitosis create?
    • A. 

      Diploid

    • B. 

      Haploid

    • C. 

      Gamete

    • D. 

      Sperm


  • 2. 
    What is the correct statement to describe the difference between a sex cell and a somatic cell?
    • A. 

      Somatic cells have 1/2 the DNA of a sex cell

    • B. 

      Somatic cells are haploid

    • C. 

      Sex cells are produced by meiosis

    • D. 

      Sex cells are diploid


  • 3. 
    Which of the following statements is INCORRECT about genes?
    • A. 

      A gene is a small piece of DNA

    • B. 

      Genes contain 2 alleles

    • C. 

      Genes are found in the nucleus

    • D. 

      Genes are found on chromosomes

    • E. 

      Genes are only in somatic cells


  • 4. 
    If an organism is DdGg, what is one of the alleles that would be found in the gametes produced?
    • A. 

      Dd

    • B. 

      DG

    • C. 

      D

    • D. 

      G

    • E. 

      Gg


  • 5. 
    Who is considered the father of genetics?
    • A. 

      Charles Darwin

    • B. 

      Gregor Mendel

    • C. 

      James Watson

    • D. 

      Francis Crick

    • E. 

      Thomas Morgan


  • 6. 
    If you wanted to determine the phenotype of an organism, what procedure would you follow?
    • A. 

      DNa sequence the parents

    • B. 

      DNA fingerprint the organism

    • C. 

      Look at the physical characteristics of the organism

    • D. 

      Do a duhybrid cross


  • 7. 
    If a disease is said to be sex-linked, what pair of chromosomes must contain the gene responsibile for the disease?
    • A. 

      21st pair

    • B. 

      22nd pair

    • C. 

      23rd pair

    • D. 

      46th pair

    • E. 

      47th pair


  • 8. 
    An entire gene has been removed from a chromosome by a mutation.  This type of mutation is best described as a....
    • A. 

      Deletion

    • B. 

      Duplication

    • C. 

      Translocation

    • D. 

      Inversion

    • E. 

      Substitution


  • 9. 
    If an organism is trisomy 21, how many total chromsomes do they have?
    • A. 

      46

    • B. 

      23

    • C. 

      47

    • D. 

      24

    • E. 

      18


  • 10. 
    During anaphase of Meiosis, the chromosomes fail to separate properly This causes there to be an unever amount distributed to the resulting daughter cells. What is this called?
    • A. 

      Non-disjunction

    • B. 

      Separation failure

    • C. 

      Mutagenic determination

    • D. 

      Mitosis


  • 11. 
    Sister chromatids are joined together by
    • A. 

      Centromeres

    • B. 

      Centrosomes

    • C. 

      Chromasomes

    • D. 

      Chromameres


  • 12. 
    If a diploid cell in a plant has 32 chromosomes, how many chromsomes will be in each of it's gametes?
    • A. 

      32

    • B. 

      30

    • C. 

      16

    • D. 

      14


  • 13. 
    Mendels law of ___________________ states that some alleles are dominant over other alleles.
    • A. 

      Independent assortment

    • B. 

      Dominance

    • C. 

      Segregation

    • D. 

      Recession


  • 14. 
    If an offspring is said to be homozygous recessive,which of the following could be it's genotype?
    • A. 

      RrSs

    • B. 

      Tt

    • C. 

      TTss

    • D. 

      Ss


  • 15. 
    Which of the following statements describes an organism that produces offspring that would be an exact copy of the original?
    • A. 

      Asexually reproducing human offspring

    • B. 

      Sexually reproducing human offspring

    • C. 

      Asexually reproducing bacteria

    • D. 

      Sexually reproducing bacteria


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